Senior Mobile Solutions Engineer

Procentrix; Washington (District of Columbia); On-site; USD 140,000 - 170,000; Full time

Job summary

Procentrix is seeking a senior hands-on mobile engineer to design, develop, and maintain enterprise mobile apps with real-time communication, offline operation, and cloud-connected services. You will collaborate with cloud, AI, security, and engineering teams to deliver secure, scalable mobile solutions.

Responsibilities include designing, developing, testing, and maintaining apps, implementing offline-first capabilities, and integrating with APIs and cloud platforms while enabling peer-to-peer

Qualifications

• 8+ years of mobile application development experience.
• 4+ years developing and deploying production iOS applications.
• Experience with React Native, TypeScript, and modern JavaScript frameworks.
• Familiarity with Expo and Expo tooling.
• Proficiency with native iOS development using Swift and Xcode.
• Experience integrating mobile apps with APIs and cloud-hosted services.
• Experience supporting offline/low-connectivity environments.
• Experience implementing secure mobile solutions and data protection practices.
• Demonstrated ability to design, develop, test, and deliver production-quality software with minimal supervision.
• Experience in small, collaborative engineering teams across multiple disciplines.
• US Citizen with ability to obtain government clearance.
• Experience with Microsoft Azure services and cloud-native architectures.
• Experience with AI, translation, speech processing, OCR, or related technologies.
• Experience implementing peer-to-peer/device-to-device communication capabilities.
• Experience with DevSecOps and AI-assisted software engineering tools.
• Experience with .NET-based mobile development frameworks.
• Experience supporting secure government/mobile applications incl. DHS suitability or similar credentials.

Responsibilities

• Design, develop, test, and maintain mobile applications.
• Implement connected, offline-first capabilities.
• Integrate apps with APIs, cloud services, and enterprise platforms.
• Support peer-to-peer and device-to-device communication capabilities.
• Troubleshoot and resolve issues across the mobile application stack.

Skills

iOS development

React Native

TypeScript

Expo

JSI

Swift

APIs & cloud services

Offline-first

Security & data protection

Peer-to-peer communication

DevSecOps

.NET mobile

Government clearance

Tools

Expo SDK

Xcode

Azure

Job description

Senior hands-on mobile engineer responsible for designing, developing, and maintaining enterprise mobile applications supporting real-time communication, offline operations, cloud-connected services, and peer-to-peer capabilities. The successful candidate will work closely with cloud, AI, security, and engineering teams to deliver secure, scalable, and production-ready mobile solutions. Responsibilities include:

• Design, develop, test, and maintain mobile applications.
• Implement connected, disconnected, and offline-first capabilities.
• Integrate mobile applications with APIs, cloud services, and enterprise platforms.
• Support peer-to-peer and device-to-device communication capabilities.
• Troubleshoot and resolve technical issues across the mobile application stack.

The projected compensation range for this position is $140K - $170K annualized (USD). The final salary offered will generally fall within this range and is determined by various factors, including but not limited to the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as internal pay equity, location, contract-specific affordability and other organizational requirements.

Required Skills

• 8+ years of overall mobile application development experience, including at least 4 years developing and deploying production applications for Apple iOS devices.
• Experience developing and deploying production mobile applications using React Native, TypeScript, and modern JavaScript frameworks.
• Experience with Expo and related tooling, including Expo SDK, Expo Router, and Expo Modules.
• Familiarity with modern React Native architecture concepts, including the New Architecture, JavaScript Interface (JSI), native module integration, and performance optimization techniques.
• Working knowledge of native iOS development using Swift and Xcode sufficient to develop, extend, and integrate native capabilities when required.
• Experience integrating mobile applications with APIs and cloud-hosted services.
• Experience developing applications that support disconnected, low-connectivity, or intermittent-network environments.
• Experience implementing secure mobile application solutions and data protection practices.
• Demonstrated ability to rapidly design, develop, test, and deliver production-quality software with minimal supervision.
• Experience working in small, collaborative engineering teams where individuals contribute across multiple technical disciplines.
• Strong verbal and written communication skills.
• US Citizen with ability to obtain and maintain a government clearance.
• Experience with Microsoft Azure services, cloud-native architectures, and enterprise system integrations.
• Experience with AI, translation, speech processing, OCR, or related technologies.
• Experience implementing peer-to-peer, Bluetooth, proximity-based, or device-to-device communication capabilities.
• Experience with DevSecOps, automated testing, modern software delivery practices, and AI-assisted software engineering tools.
• Experience with .NET-based mobile development frameworks and technologies.
• Experience supporting secure enterprise or government mobile applications, including existing DHS suitability, Public Trust, or similar credentials.

Procentrix is an Equal Opportunity employer and does not discriminate on the basis of race, color, religion, gender, national origin, age, marital or veteran status, the presence of a non-job related medical condition or handicap, or any other legally protected status.